Highly Anonymous Proxy(HAP): The web server can't detect whether you are using a proxy and It can’t know your real IP address

Anonymous Proxy(AP): The web server can know you are using a proxy and the IP address of the proxy, but it can't know your real IP address.

Distorting Proxy(DP): The web server can know you are using a proxy, but it can't know the IP address of the proxy because Distorting Proxy creates an "incorrect" IP address instead, and the web server can't know your real IP address either.

Transparent Proxy(TP): The web server can know you are using a proxy and it can also know your real IP address.